pre·scrip·tive 
/prɪˈskrɪptɪv/ adjective
/prɪˈskrɪptɪv/ adjective 1 [more prescriptive; most prescriptive] : giving exact rules, directions, or instructions about how you should do something
▪ Critics claim the new rules/regulations are too prescriptive. 2 technical : providing rules and opinions that tell people how language should be used
▪ prescriptive dictionaries — opposite descriptive
▪ Critics claim the new rules/regulations are too prescriptive.
▪ prescriptive dictionaries — opposite descriptive
